Available on Commodore C16, C116 and +4 computers.
 (at the Computer)
 (at the Computer)
50 PIN FEMALE EDGE (2 mm pitch) at the Computer.
| Pin | Name | Description | 
|---|---|---|
| 1 | GND | Ground | 
| 2 | +5V | +5 VDC | 
| 3 | +5V | +5 VDC | 
| 4 | /IRQ | Interrupt | 
| 5 | R/W | Read/Write (1=Read, 0=Write) | 
| 6 | C1HIGH | External Cartridge Chip Selects C1 High | 
| 7 | C2LOW | External Cartridge Chip Selects C2 Low (reserved) | 
| 8 | C2HIGH | External Cartridge Chip Selects C2 High (reserved) | 
| 9 | /CS1 | Chip Select Line 1 | 
| 10 | /CS0 | Chip Select Line 0 | 
| 11 | /CAS | Column Address Strobe | 
| 12 | MUX | DRAM address multiplex control signal | 
| 13 | BA | Bus Available (Low=DMA) | 
| 14 | D7 | Data 7 | 
| 15 | D6 | Data 6 | 
| 16 | D5 | Data 5 | 
| 17 | D4 | Data 4 | 
| 18 | D3 | Data 3 | 
| 19 | D2 | Data 2 | 
| 20 | D1 | Data 1 | 
| 21 | D0 | Data 0 | 
| 22 | AEC | Address Enable Code | 
| 23 | EAI | External Audio In | 
| 24 | PHI 2 | Artificial Phi 2 signal | 
| 25 | GND | Ground | 
| A | GND | Ground | 
| B | C1LOW | External Cartridge Chip Selects C1 Low | 
| C | /RESET | Reset | 
| D | /RAS | Row Address Strobe | 
| E | PHI 0 | Artificial Phi 0 Signal | 
| F | A15 | Address 15 | 
| H | A14 | Address 14 | 
| J | A13 | Address 13 | 
| K | A12 | Address 12 | 
| L | A11 | Address 11 | 
| M | A10 | Address 10 | 
| N | A9 | Address 9 | 
| P | A8 | Address 8 | 
| R | A7 | Address 7 | 
| S | A6 | Address 6 | 
| T | A5 | Address 5 | 
| U | A4 | Address 4 | 
| V | A3 | Address 3 | 
| W | A2 | Address 2 | 
| X | A1 | Address 1 | 
| Y | A0 | Address 0 | 
| Z | n/c | Not connected | 
| AA | n/c | Not connected | 
| BB | n/c | Not connected | 
| CC | GND | Ground | 
PHI 2: Address valid on the rising edge, data valid on the falling edge
| Contributor: | Joakim Ögren, Arwin Vosselman | 
| Source: | Usenet posting in comp.sys.cbm, Pinout specs for cbm machines needed by Lonnie McClure | 
| SAMS Computerfacts CC8 Commodore 16 | |
| Article in C'T September 1986 | 
  Copyright © The Hardware Book Team 1996-2004.
  May be copied and redistributed, partially or in whole, as appropriate.
  Document last modified: 2002-01-10